Electric heating apparatus



BEST AVNLABLE COP T. 0. FiNlZlO.

iZLi-IURIC HEATING APPARATUS. APPHCATWN FILED JULY 15, I920. 1,417,154. atented May 23, 1922.

2 SHEETS SHEET l.

7 OP\ T. D HNIZiOBEET AVNLABLE C ELECTRIC HEAHNG APPARATUS.

APPLICATION FILED JULY 15, 1320.

" 1,417,154, I Patented Mai 23, 9.23.

Z3 /5 Ha 15a 17 1! gmam/mwz 1 BEST AVAtLABLE cos.

Uur-rsn STA ES PATIENT Orrrce.

moms D. m lfixo, QF n'rCHAwAN, NEW YORK, assumes T STEATITE ELECTRIC I "-rRonUCTs onPoRATIoN, A CORPORATION OFYNEW YORK.

'ELECTRIC HEATING APPARATUS.

Specification of Letters Patent. .laflq tefl Du y 23, 19752; Application filed Jnly 15, 1920. Serial No. 396.469. Tfi'll lll'illkqfib it may concern. v Fig. (3. is a face view, partly bi'okefaivay. i .Be it knownffthat I TnonAs D. F nizio, and in.s ection, showing a modified form of "iacitize'njo'fthe United" States. residing at resistance element. v,

' -.Kitcliawan;lyesftcliestei (.ounty, in the State In said di-awingslt) designates an electric.

OfNeWYOrkfhiive invent-ed certain new and heater comprising a pair of conforming cir- 6 j nseful,lmprovemeijits in Electric llcating cular members constituting aface platell, .3. -Apparatus,;offwhichthe following is a full, and a lower plate 11* )referably made of p clean-and exacts'pecification; soapstone or other suitable insulating mate- Myfinvejntionurelates to electric heating rial capable of absorbing and emitting heat." f 1'0flappar-atus andthe ame 4 1nore particularh to provide a simple, efprovided with a pair of parallel spiral reficient and-reliable electric heater which may cusses l2. 13 in which is disposed a coiled be-nsed eitherseparately. or as a. part of a resistance element H havingits ends 14, 14"

heating apparatus-or stove. terminating closely together and severally f p 15 Further said invention has for its object secured to the inner ends of contact terminals 1 to provide an elctric heating element coni5. 15" which are embedded or otherwise suithas for its object, ihe lower or base. plate 11 is preferably 65 stituting a unitary structure which may be ably secured to a block it} located in a recess readily inserted into or removed roman in the base plate UXand preferablymade of I apparatus in 'co nnection with which it may a suitable insulating material forming a 20 be used i more solid and less .irangible supportfor Further; said invention has for its objectsaid terminals 15. 15. than the materialot' l to provide ahea ting element comprising a which said plates are formed; I plurality of members which are secured The space. between the walls of the recesstogether and enclose an electric heat-emit- 12. 1 and the resistance element 14 may be *25 tingelement adapted to be connected with filled with a suitable cement. a a source of electric energy. In order to hold the base plate 1.1". and Y .Further, said invention has for its object the 'cover plate 11 rigidly together the ver-' t0 provideaheating element composed of a, tical edge of said cover plate 11 is provided I plurality 0f--members',-, preferably made of with an annular recess or groove 18 into 30 soapstone,'havingastnyelcctric resistance ele= which pressed the. upper portion of an ment embedded Iii-6r arranged between the annular metal band 15) whose lower edge 19 same, and united ,by. a, securing-member is turned inwardly and over against the,

which serves t0 pro tect theperipherat edges under side of the bas'e plate 11, which plate of said soapstone members. is partly cut away at 20 in .order toa'ccom- 85 Other ob eets will 1n part be obvious, and modate -the. in-turned lower edge of said in part be pointed out hereinafter. annular band 19. The opposite ends 19" 'lothe'attainment of the aforesaid objects =19 ol' the band I!) are then drawn together and ends my invention consists in the novel and folded one upon the other in order to details of construction, and in the eombinasecure the same together, 3

1 40 tion, connection and arrangement of parts In order to prevent any SliOl't-(il'fl-lliillg of i hereinafter more fully described and then the electric current at the tAu-minzils 15. 15 pointed out in the claims. the metal band 18) is provided with a' cutout In the accom Jan 1n drawin s forming nation 21 ad'acent to said terminals. 1 h P 1 part of'this specification wherein like nu- In order to supportthe heater 10 as a 45 merals of'reference indicate like parts, whole in an elevated position the band 19 Figure 1 is a face view showing one form may be provided with a plurality of struckof heating apparatus constructed according up socket portions 22, adapted to'receive the i to, embodying my said invention; upperends of legs or supports 23'. Fig. 2, is a horlzontalsection taken on the In the modification illustrated at Fig. (3 50 line 22 of Fig.3; the; apparatus is constructed essentially as Fig. 3. is an edge view; herein above described except that. the relig.4,i's an enlarged detail face view showsistance, element 14* is struck or stamped ing the construction and arrangement of the out of sheet metal, possessing the requisite contact terminals and the support therefor, resistance qualities, and is here shown as be- 55 Fig. 5, is an edge view of Fig. 4, and ing flat and of zig-zag form. The element 119 and has its ends hereinabo described sh W11 andileseribed are each each "constrnetio'n'by being arranged wholly wi thint heffoiitlines of the; plates, all danger of'injunng or'breakin'g the connect-ion there-v j of withthe ridsofthe resistanee element is;

eliminated:

Having --1.' An le tric heater comprising a: pair one "of said plates and protected by the other thereof,""anda member secured to 'one ofv said-plates and engaging. the other thereof toihold the: same secured together snhstan- 2 .fAn, electriei heater 1 comprising a pair of conforming plates, a l'QSlStzlIlCG, element I toone of said plates and embracing the edge disposed intermediate the same-terminals onsaid plates'connected t0 the ends of said resistance element, and a member: secured ofthe other-thereof wherebv to hold said lates t'secnred together. siihstantialIy as 3. An electrie he: 1ter eomprisingh pair of7conforming-plates; a resistance element disposedintermediate the same. terminals onsaid'plates connerted tothe ends of said j gether; and -s'upports ada nedto engagev resistance element. means engaging .the edges of said plates for securing the same to,

with said sec-tiring means for supporting saidheater inelevate'd position. snhstanr 504 e H on said plates connected tothe endsof said resistance element; a securing member engaging the edges of {said .plates,,and supportingmembers detachahly seeuredto 'said, securingmember, substantially as specified.

451s located-1n a conforming-recess 12 pro-. widedin the base plate 11", 14*,"145 seouredto contact terminals 15? 15";-

1 1. in a. recessed portion 17 of the base said plates connected to the' ends of 'sai I I 7" T i ..tv resistanre element. an endless nieinhen 'en' lheglcdvergplate ll g andbasef plate 119 x a e -seeuredtogether hr. :1 metal. band 19? has V engagedhrsaid soekets for'snpp ft The fopei'attongof the appa'ratn's'-is'obvionsi-' Ifi-isto be oted parti ctllarly that-the eon'- specifieth 4 w (i. :\n ele('tric hea te its whicli may h'e inserted into or? used in Connection with any"a1')paratus"by emheddedjin one. of said onne'eting the contact terminals, thereof Witl'i: a source of electric supply and that as said terminalsare fully protected in Sa thus described fnhy said invention and. desire to secure by'Let 1 te jsPatent isd f of plates; resistance element embedded in to', said eont'aet' terminal -onformin; plates, a resistaneeelem nt dis BEST AvAiLAetE-Ieofm An electric he-ate'rcompris ng a pan of posed intermediate the .saimer terminals bu heater} in elevated-positio p niprismg of eonfornnng plates, a

platestogiether; uh's t l support and 'e6iineete(l -ft the ends-"off said resistant'e"element; and me n's".for le initially as I pair resistance element Y of contact terminals seenred infsaid 'hlockf and connected to the ends of is'ald' resls'tane element. and an annular member engaging having 'an opening therein -to atfordaceess snhstantlallv" 'as' s speeified.f.----

8. .An eleetrie heater plate having: a plurality a rover plate for said"liase' plateeonforin ornprlsmg a base of reeesses' therein;

ing in outline theretoand having an annu lar groove in its'edge. a resistanceelement disposed within onevof the i-ece'ssesiinsaidl base plate. a supporting bloclc- (llSPOSBd \Vltllm the other reeess insaid base late.a

.pair of contact terminals seeuredl in]- said I support ng hloek and *eonneeted totheends ot vsaid resistance element. and an annular member having a portion.pressed into enrjf gagementivith the annular groove -insaid rover plate. and another portionfembraca ing the.underside of said-"vase plateg'said annular memherj ha ring" an opening therein to afford aeeess to the eontaetfterminals aforesaid. substantiallyas specified; 1

(-ounty and State of. New yorkytliis-ldth day of Jul r.: me. thonsand nine h d d and twenty" v-.. V

noMas. 1).. PI IZIQ? 

